aws-xray-recorder-sdk-core/src/main/java/com/amazonaws/xray/strategy/DynamicSegmentNamingStrategy.java [27:108]:
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@Deprecated
public class DynamicSegmentNamingStrategy implements SegmentNamingStrategy {
    private static final Log logger =
        LogFactory.getLog(DynamicSegmentNamingStrategy.class);

    private final String recognizedHosts;
    private final String fallbackName;

    /**
     * Creates an instance of {@code DynamicSegmentNamingStrategy} with the provided {@code fallbackName} and a
     * {@code recognizedHosts} value of "*".
     *
     * @param fallbackName
     *  the fallback segment name used when no host header is included in the incoming request. This will be overriden by the
     *  value of the {@code AWS_XRAY_TRACING_NAME} environment variable or {@code com.amazonaws.xray.strategy.tracingName} system
     *  property, if either are set to a non-empty value.
     *
     * @deprecated Use {@link SegmentNamingStrategy#dynamic(String)}.
     */
    @Deprecated
    public DynamicSegmentNamingStrategy(String fallbackName) {
        this(fallbackName, "*");
    }

    /**
     * Creates an instance of {@code DynamicSegmentNamingStrategy} with the provided {@code fallbackName} and
     * {@code recognizedHosts} values.
     *
     * @param fallbackName
     *  the fallback segment name used when no host header is included in the incoming request or the incoming host header value
     *  does not match the provided pattern. This will be overriden by the value of the {@code AWS_XRAY_TRACING_NAME} environment
     *  variable or {@code com.amazonaws.xray.strategy.tracingName} system property, if either are set to a non-empty value.
     * @param recognizedHosts
     *  the pattern to match the incoming host header value against. This pattern is compared against the incoming host header
     *  using the {@link com.amazonaws.xray.entities.SearchPattern#wildcardMatch(String, String)} method.
     *
     * @deprecated Use {@link SegmentNamingStrategy#dynamic(String, String)}.
     */
    // Instance method is called before the class is initialized. This can cause undefined behavior, e.g., if getOverrideName
    // accesses fallbackName. This class doesn't really need to be exposed to users so we suppress for now and will clean up after
    // hiding.
    @SuppressWarnings("nullness")
    @Deprecated
    public DynamicSegmentNamingStrategy(String fallbackName, String recognizedHosts) {
        String overrideName = getOverrideName();
        if (overrideName != null) {
            this.fallbackName = getOverrideName();
            if (logger.isInfoEnabled()) {
                logger.info("Environment variable " + NAME_OVERRIDE_ENVIRONMENT_VARIABLE_KEY + " or system property "
                            + NAME_OVERRIDE_SYSTEM_PROPERTY_KEY
                            + " set. Overriding DynamicSegmentNamingStrategy constructor argument. Segments generated with this "
                            + "strategy will be named: " + this.fallbackName
                            + " when the host header is unavilable or does not match the provided recognizedHosts pattern.");
            }
        } else {
            this.fallbackName = fallbackName;
        }

        this.recognizedHosts = recognizedHosts;
    }

    /**
     *
     * Returns the derived segment name for an incoming request. Attempts to get the {@code Host} header from the
     * {@code HttpServletRequest}. If the {@code Host} header has a value and if the value matches the optionally provided
     * {@code recognizedHosts} pattern, then this value is returned as the segment name. Otherwise, {@code fallbackName} is
     * returned.
     *
     *
     * @param request
     *  the incoming request
     * @return
     *  the segment name for the incoming request.
     */
    @Override
    public String nameForRequest(HttpServletRequest request) {
        Optional<String> hostHeaderValue = Optional.ofNullable(request.getHeader("Host"));
        if (hostHeaderValue.isPresent() &&
            (null == recognizedHosts || SearchPattern.wildcardMatch(recognizedHosts, hostHeaderValue.get()))) {
            return hostHeaderValue.get();
        }
        return fallbackName;
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aws-xray-recorder-sdk-core/src/main/java/com/amazonaws/xray/strategy/jakarta/DynamicSegmentNamingStrategy.java [27:108]:
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@Deprecated
public class DynamicSegmentNamingStrategy implements SegmentNamingStrategy {
    private static final Log logger =
        LogFactory.getLog(DynamicSegmentNamingStrategy.class);

    private final String recognizedHosts;
    private final String fallbackName;

    /**
     * Creates an instance of {@code DynamicSegmentNamingStrategy} with the provided {@code fallbackName} and a
     * {@code recognizedHosts} value of "*".
     *
     * @param fallbackName
     *  the fallback segment name used when no host header is included in the incoming request. This will be overriden by the
     *  value of the {@code AWS_XRAY_TRACING_NAME} environment variable or {@code com.amazonaws.xray.strategy.tracingName} system
     *  property, if either are set to a non-empty value.
     *
     * @deprecated Use {@link SegmentNamingStrategy#dynamic(String)}.
     */
    @Deprecated
    public DynamicSegmentNamingStrategy(String fallbackName) {
        this(fallbackName, "*");
    }

    /**
     * Creates an instance of {@code DynamicSegmentNamingStrategy} with the provided {@code fallbackName} and
     * {@code recognizedHosts} values.
     *
     * @param fallbackName
     *  the fallback segment name used when no host header is included in the incoming request or the incoming host header value
     *  does not match the provided pattern. This will be overriden by the value of the {@code AWS_XRAY_TRACING_NAME} environment
     *  variable or {@code com.amazonaws.xray.strategy.tracingName} system property, if either are set to a non-empty value.
     * @param recognizedHosts
     *  the pattern to match the incoming host header value against. This pattern is compared against the incoming host header
     *  using the {@link SearchPattern#wildcardMatch(String, String)} method.
     *
     * @deprecated Use {@link SegmentNamingStrategy#dynamic(String, String)}.
     */
    // Instance method is called before the class is initialized. This can cause undefined behavior, e.g., if getOverrideName
    // accesses fallbackName. This class doesn't really need to be exposed to users so we suppress for now and will clean up after
    // hiding.
    @SuppressWarnings("nullness")
    @Deprecated
    public DynamicSegmentNamingStrategy(String fallbackName, String recognizedHosts) {
        String overrideName = getOverrideName();
        if (overrideName != null) {
            this.fallbackName = getOverrideName();
            if (logger.isInfoEnabled()) {
                logger.info("Environment variable " + NAME_OVERRIDE_ENVIRONMENT_VARIABLE_KEY + " or system property "
                            + NAME_OVERRIDE_SYSTEM_PROPERTY_KEY
                            + " set. Overriding DynamicSegmentNamingStrategy constructor argument. Segments generated with this "
                            + "strategy will be named: " + this.fallbackName
                            + " when the host header is unavilable or does not match the provided recognizedHosts pattern.");
            }
        } else {
            this.fallbackName = fallbackName;
        }

        this.recognizedHosts = recognizedHosts;
    }

    /**
     *
     * Returns the derived segment name for an incoming request. Attempts to get the {@code Host} header from the
     * {@code HttpServletRequest}. If the {@code Host} header has a value and if the value matches the optionally provided
     * {@code recognizedHosts} pattern, then this value is returned as the segment name. Otherwise, {@code fallbackName} is
     * returned.
     *
     *
     * @param request
     *  the incoming request
     * @return
     *  the segment name for the incoming request.
     */
    @Override
    public String nameForRequest(HttpServletRequest request) {
        Optional<String> hostHeaderValue = Optional.ofNullable(request.getHeader("Host"));
        if (hostHeaderValue.isPresent() &&
            (null == recognizedHosts || SearchPattern.wildcardMatch(recognizedHosts, hostHeaderValue.get()))) {
            return hostHeaderValue.get();
        }
        return fallbackName;
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